Declaring max_vertices before invocations fails to adjust max_vertices
when invocation support is not present. (It should be 4, not 2 in this
case).
Bug: skia:10827
Change-Id: Ief7af97eabf5414ea8363808fc1ad2e9c480fe10
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/325664
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: John Stiles <johnstiles@google.com>
